Eugene S. Grennan

Flight Engineer on the Straight FlushHiroshima Mission

Tinian IslandWendover, UT

509th Composite GroupHiroshima MissionManhattan Project VeteranMilitary Veteran

Eugene S. Grennan served as a 2nd lieutenant in the 509th Composite Group. He was the flight engineer on the Straight Flush during the Hiroshima mission.

Related Profiles

Jas Nevils

Oak Ridge, TN

Jas Nevils worked for the Roane-Anderson Company.

Frances C. Micese

Chicago, IL

Frances C. Micese was a laboratory technician in the Health Division of the University of Chicago Met Lab.

Ethel Alber

Hanford, WA

Frank Simons

Oak Ridge, TN